From d52863e5badcb0cfc03e70f639010d9319cb7d18 Mon Sep 17 00:00:00 2001
From: Alexey Baranov <abaranov@rg.corp>
Date: Mon, 12 Jan 2026 20:39:40 +0300
Subject: [PATCH] vault backup: 2026-01-12 20:39:40

---
 Interview Question/Hardware Skill  (I2C_SPI_UART).md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Interview Question/Hardware Skill  (I2C_SPI_UART).md b/Interview Question/Hardware Skill  (I2C_SPI_UART).md
index e202d18..04260a4 100644
--- a/Interview Question/Hardware Skill  (I2C_SPI_UART).md	
+++ b/Interview Question/Hardware Skill  (I2C_SPI_UART).md	
@@ -53,7 +53,8 @@
 		2. Запись/чтение регистров
 		3. Тест на шум/помехи
 	5. Как проверить I²C в Linux? 
-		1. 
+		1. `/dev/i2c-*` устройства
+		2. Утилиты: `i2cdetect`, `i2cget`, `i2cset`
 # **UART (Universal Asynchronous Receiver/Transmitter)**
 1. **Общие вопросы и логика работы.** 
 	1. Что такое UART?